<template>
  <!-- 表单 -->
  <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
    <el-form-item label="姓名" prop="username">
      <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
    </el-form-item>
    <el-form-item label="手机" prop="mobile">
      <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
    </el-form-item>
    <el-form-item label="入职时间" prop="timeOfEntry">
      <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
    </el-form-item>
    <el-form-item label="聘用形式" prop="formOfEmployment">
      <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
        <!-- 将枚举的聘用形式数据取出来渲染 -->
        <el-option v-for="item in hireType" :key="item.id" :label="item.value" :value="item.id" />
      </el-select>
    </el-form-item>
    <el-form-item label="工号" prop="workNumber">
      <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
    </el-form-item>
    <el-form-item label="部门" prop="departmentName">
      <!-- focus事件,获取光标部门列表显示 @focus="showTree=true"
      优化  @focus="hFocus" -->
      <el-input v-model="formData.departmentName" style="width:50%" placeholder="请选择部门" @focus="hFocus" />
      <!-- 部门信息 默认隐藏 -->
      <!-- 注册 node-click 事件 -->
      <div v-if="showTree" class="tree-box">
        <el-tree :data="list" :props="{ label: 'name' }" @node-click="hNodeClick" />
      </div>
    </el-form-item>
    <el-form-item label="转正时间" prop="correctionTime">
      <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
    </el-form-item>
    <el-form-item>
      <el-button @click="hCancel">取消</el-button>
      <el-button type="primary" @click="hSubmit">确定</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
// 导入枚举
import EmployeeEnum from '@/constant/employees'
// 按需导入
import { getDepaetments } from '@/api/departments'
import { tranListToTreeData } from '@/utils/index'
export default {
  data() {
    return {
      showTree: false, // 控制部门信息列表显示隐藏
      hireType: EmployeeEnum.hireType, // 枚举的聘用形式(模板用到js数据,必须保存到data函数中使用)
      // 表单数据对象
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      //   校验规则对象
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: 'blur' },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur' }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: 'blur' }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: 'blur' }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: 'change' }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: 'blur' }
        ]
      },
      list: [] // 保存部门列表
    }
  },
  // 页面一打开,加载部门列表数据
  // created() {
  //   this.loadDepartments()
  // },
  methods: {
    // 优化为点击部门input框,再去获取部门列表,显示信息
    hFocus() {
      this.loadDepartments()
      this.showTree = true
    },
    // 发送请求 获取部门列表
    async    loadDepartments() {
      try {
        const res = await getDepaetments()
        console.log(res)
        res.data.depts.shift() // 删除数组第一条数据
        // this.list = res.data.depts
        this.list = tranListToTreeData(res.data.depts)
      } catch (error) {
        console.log(error, '请求部门列表出错')
      }
    },
    // 点击确定
    hSubmit() {
      this.$refs.addForm.validate(valid => {
        if (!valid) return // 校验失败
        //  关闭弹层  ---》 子传父 关闭组件中的弹层
        this.$emit('close')
      })
    },
    // 点击取消
    hCancel() {
      this.$emit('close')
    },
    // 用户在部门结构树上点击
    hNodeClick(data, node) {
      console.log('用户在部门结构树上点击', data, node)
      // 如果当前部门还有子部门，则不能选中
      if (data.children.length) {
        return
      }
      console.log('选中的是', data.name)
      // 1. 把当前选中的显示在input框中
      this.formData.departmentName = data.name
      // 2. 隐藏tree
      this.showTree = false
    }
  }
}
</script>
